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Andrew C. Johnson

UK Centre for Ecology & Hydrology

SCHOLARLY PAPERS

6

DOWNLOADS

289

TOTAL CITATIONS

2

Scholarly Papers (6)

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1.

What Has Happened to River Macroinvertebrate Biodiversity in England and Wales Over the Past 30 Years?

Number of pages: 15 Posted: 02 Jun 2025
Andrew C. Johnson, Yueming Qu, Outhwaite Charlotte, Nicholas Isaac, Kathryn Powell, Isobel Bishop, David Roy, J. Iwan Jones, John Murphy, Ian Vaughan, Steve Ormerod and Martin Wilkes
UK Centre for Ecology & Hydrology, UK Centre for Ecology & Hydrology, University College London, UK Centre for Ecology & Hydrology, affiliation not provided to SSRN, University College London, UK Centre for Ecology & Hydrology, Queen Mary University of London, Queen Mary University of London, Cardiff University, Cardiff University and University of Essex
Downloads 115 (640,165)

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2.

Renewing and Improving the Environmental Risk Assessment of Chemicals

Number of pages: 29 Posted: 11 Jun 2022
John Sumpter, Andrew C. Johnson and Tamsin J. Runnalls
affiliation not provided to SSRN, UK Centre for Ecology & Hydrology and affiliation not provided to SSRN
Downloads 54 (1,031,043)

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Environmental Risk Assessment, Suggestions for improvement, Up-to-date scientific knowledge, Mixtures, Radical new ERA process

3.

Long-Term Trends of Second Generation Anticoagulant Rodenticides (Sgars) Show Widespread Contamination of a Bird-Eating Predator, the Eurasian Sparrowhawk (Accipiter Nisus) in Britain

Number of pages: 32 Posted: 23 Jun 2022
Richard K. Broughton, Kate R. Searle, Lee A. Walker, Adam Butler, Elaine D. Potter, M. Gloria Pereira, Heather Carter, Darren Sleep, David G. Noble and Andrew C. Johnson
affiliation not provided to SSRN, affiliation not provided to SSRN, UK Centre for Ecology & Hydrology, Biomathematics and Statistics Scotland, UK Centre for Ecology & Hydrology, UK Centre for Ecology & Hydrology, UK Centre for Ecology & Hydrology, UK Centre for Ecology & Hydrology, Independent and UK Centre for Ecology & Hydrology
Downloads 46 (1,121,190)
Citation 2

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Avian trophic transfer pathway, Birds of prey, Poisoning, Raptors, Rodent control, Wildlife contamination

4.

Identifying Freshwater Invertebrate Taxa Susceptible to Ache-Acting Pesticides in English Rivers

Number of pages: 34 Posted: 24 Jul 2024
Imogen Poyntz-Wright, Charles Tyler, Xavier Harrison, Andrew C. Johnson and Susan Zappala
University of Exeter, University of Exeter, University of Exeter, UK Centre for Ecology & Hydrology and JNCC
Downloads 29 (1,359,097)

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Water Quality, Pesticides, riverine invertebrates, biomonitoring

5.

Assessment of the Impacts of Gaba and Ache Targeting Pesticides on Freshwater Invertebrate Family Richness in English Rivers

Number of pages: 39 Posted: 29 Aug 2023
Imogen Poyntz-Wright, Xavier Harrison, Andrew C. Johnson, Susan Zappala and Charles Tyler
University of Exeter, University of Exeter, UK Centre for Ecology & Hydrology, JNCC and University of Exeter
Downloads 24 (1,424,331)

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Pesticides, Macroinvertebrates, pollution, rivers, field, laboratory.

6.

Pesticide Pollution Associations with Riverine Invertebrate Communities in England

Number of pages: 39 Posted: 03 Jun 2023
Imogen Poyntz-Wright, Xavier Harrison, Andrew C. Johnson, Susan Zappala and Charles Tyler
University of Exeter, University of Exeter, UK Centre for Ecology & Hydrology, JNCC and University of Exeter
Downloads 21 (1,436,435)

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Ecotoxicology, Bio-indicator, Water quality, Macroinvertebrates